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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.